vacuum leak

Hi everyone. Im about to restore a 67 Mustang with a 5.0L H.O. engine from 1993 Fox. Its my restomod. Ive read a lot of vacuum leaks and engine problems... to my set up. Ive got the original mainfold intake and the original alternator on this engine. Nothing else. So my question: What vacuum...

Having troubles starting my 03 gt 4.6 , I get cranking but no firing. Hooked the scanner up for the live stream while cranking and my MAF reading stays at 0.09 lbs... After cranking the car I’m hearing a air leak near the firewall by the passenger side. I’ve wiggled the hoses to see if the...

I just bought a 90 mustang GT,5.0, automatic with a turbo. I noticed the exhaust and fuel system has been upgraded. I also noticed a vent line not on there. I'm not sure if it's because of turbo or just was left off. This car is very clean and very fast. I also need to do a head gasket job on...

I just joined this resource and want to introduce myself. I own a 1965 red convertible 289 with a Holly 4 bbl and a 1973 yellow Mach 1. A couple of days ago I was driving my 1965 and all was well - nice trip around the "long block". A little later my daughter and her friends wanted me to take...

Hi, I have a 2015 salvaged coyote in a 67 mustang running on the control pack. Everything is up and running, but it seems to have a rough idle at start. The idle continues to be rough until I rev the engine and it settles down to normal at around 1000rpm for about 5 seconds, after 5 seconds...

Hi, new here. About the car- Automatic, 2.3 EFI, 110k miles roughly, at least from what the prev. owner told me, had 89k miles when I bought it. but who knows if it was 89 or 189.?? right. Recently rear ended, no obvious damage, not even mechanic could give an estimate, couldnt find anything...

Hello so I have a 2001 mustang GT 4.6 most stock from what I know. Flow master exhaust new alternator and battery recently changed. Just did coolant flush earlier today. I bought this car from craigslist from a so called mechanic. The first day I had the at the car ended up dying that night...

Hey everyone, in need of a little advice. My engine was running fine (maybe a little too rich) until I swapped the spark plugs. All of a sudden the engine starts misfiring and running terribly even after i checked the gaps. I watched the mechanic down the street tweak the carb a little and he...